Cranial Nerves Flashcards

1
Q

Motor to the Dorsal Oblique Muscle

A

CN IV- Trochlear Nerve

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2
Q

Sensory from the caudal 1/3 of the tongue (taste and touch) and pharyngeal mucosa

Motor to the pharynx

PSNS to parotid and mucosal gland

A

CN IX- Glossopharyngeal

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2
Q

Test for CN X

A

Increase heart rate present

Decreased gut sounds present

Gag reflex

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2
Q

CN XI

A

Spinal Accessory Nerve

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3
Q

Test for CN III

A

Tracking (Movement of pupil in dorsal, ventral, or medial direction)

Lateral Strabismus present

Droopy upper eyelid

PLR

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4
Q

Test for CN XII

A

Tongue tone

Tongue atrophy presence

Pull tongue

Watch drinking water

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5
Q

The ___________ goes through the oval foramen.

A

The Mandibular branch of Trigeminal goes through the oval foramen.

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6
Q

The ____________ goes through the internal acoustic meatus

A

The Vestibulocochlear Nerve goes through the internal acoustic meatus

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7
Q

CN IV

A

Trochlear Nerve

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7
Q

Test for CN IV

A

Presence of oblique deviation of the pupil

_______________

Not obvious in species with round pupils

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8
Q

Pupillary light reflex afferent nerve is ___________ and the efferent nerve is ___________.

A

Pupillary light reflex afferent nerve is Optic Nerve and the efferent nerve is Oculomotor Nerve.

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8
Q

CN V

A

Trigeminal

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9
Q

The _________ passes through the cribiform foraminia.

A

The Olfactory Nerve passes through the cribiform foraminia.

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10
Q

Test for CN II

A

Menace Response

Obstacle Course

Cotton Ball Test

PLR

Tracking

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12
Q

CN III

A

Oculomotor Nerve

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14
Q

Sensory from retina (vision)

A

CN II- Optic Nerve

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15
Q

CN I

A

Olfactory Nerve

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16
Q

Motor to trapezius, omotransversarious, sternocephalicus, and cleidocephalicus

Motor to larynx (via reccurent laryngeal nerve)

A

CN XI Spinal Accessory

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17
Q

CN II

A

Optic Nerve

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18
Q

Test for Mandibular branch of Trigeminal

A

Touch sensation to lower lip/jaw, auriculotemporal area

Ability to masticate

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18
Q

CN IX

A

Glossopharyngeal Nerve

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18
Q

CN X

A

Vagus Nerve

19
Q

The __________ goes through stylomastoid foramen and internal acoustic meatus.

A

The Facial Nerve goes through stylomastoid foramen and internal acoustic meatus.

21
Q

Sensory from lower jaw/teeth, cheek, rostral 2/3 of tongue and auriculotemporal area (touch)

Motor to muscles of mastication (Rostral belly of Digastricus)

A

Mandibular branch of Trigeminal

22
Q

CN VII

A

Facial Nerve

23
Q

CN VI

A

Abducens Nerve

23
Q

Test for CN VII

A

Droopy muscles of facial expression

Palpebral reflex (failure to close)

23
Q

Sensory for hearing and balance

A

CN VIII- Vestibulocochlear

24
Q

Sensory from olfactory epilthelium (smell)

A

CN I - Olfactory Nerve

25
Q

Test for CNI

A

Olfaction (smell test)

26
Q

Test for CN IX

A

Gag reflex

Swallowing

28
Q

Test for Maxillary branch of Trigeminal

A

Palpebral reflex: lateral canthus

Touch sensation to upper lip

29
Q

Efferent stimulation is related to motor/sensory.

A

Efferent stimulation is related to motor/sensory.

31
Q

Nerves that pass through the Orbital fissure

A

CN III - Oculomotor

CN IV - Trochlear

CN V - Opthalmic br. of Trigeminal

CN VI - Abducens

32
Q

Afferent stimulation is related to motor/sensory.

A

Afferent stimulation is related to motor/sensory.

33
Q

Motor to the pharynx and esophagus

Sensory to ear canal and epiglottis

PSNS to heart, lungs and abdomen

A

CN X - Vagus

33
Q

Test for CN XI

A

Atrophy of muscles innervated present

35
Q

CN VIII

A

Vestibulocochlear Nerve

36
Q

Test for CN VI

A

Tracking (lateral movement)

Medial stribismus present

37
Q

CN XII

A

Hypoglossal Nerve

39
Q

Sensory from globe, periorbita, nasal mucosa, and medial aspect of palpebrae (touch)

A

Opthalmic branch of Trigeminal Nerve

40
Q

Palpebral reflex afferent is ________ and the efferent is ___________.

A

Palpebral reflex afferent is Opthalmic Branch of Trigeminal and the efferent is Facial Nerve.

41
Q

Motor to muscles of facial expression and caudal belly of digastricus m

Sensory from the rostral 2/3 of the tongue (taste)

PSNS to salivary and lacrimal gland

A

CN VII- Facial Nerve

42
Q

Motor to extrinsic and intrinsic muscles of the tongue

A

CN XII- Hypoglossal

44
Q

Motor to retractor bulbi muscle and lateral rectus muscle

A

CN VI - Abducens

46
Q

Test for Opthalmic branch of Trigeminal

A

Palpebral reflex: medial canthus

47
Q

Test for CN VIII

A

Hearing

Vestibular signs present (Nystagmus, Heat tilt, Circling)

48
Q

The ___________ goes through the round foramen and rostral alar foramen.

A

The Maxillary Branch of Trigeminal goes through the round foramen and rostral alar foramen.

49
Q

Nerves that go through the Jugular Foramen and Tympanooccipital Fissure

A

CN IX - Glossopharyngeal

CN X- Vagus

CN XI- Spinal Accessory

50
Q

Motor to DVM Rectus, Ventral Oblique and Levator palpebrae superioris mm

PSNS to ciliary ganglion

A

CN III - Oculomotor Nerve

51
Q

The _________ goes through the hypoglossal canal.

A

The hypoglossal nerve goes through the hypoglossal canal.

52
Q

Sensory from the upper lip/teeth, nasal mucosa, lateral and ventral aspect of palpebrae (touch)

A

Maxillary branch of trigeminal

53
Q

The __________ passes through the optic canal.

A

The Optic Nerve passes through the optic canal.